Bump io.freefair.gradle:lombok-plugin from 8.12.2.1 to 8.13

Bumps [io.freefair.gradle:lombok-plugin](https://github.com/freefair/gradle-plugins) from 8.12.2.1 to 8.13.
- [Release notes](https://github.com/freefair/gradle-plugins/releases)
- [Commits](freefair/gradle-plugins@8.12.2.1...8.13)

---
updated-dependencies:
- dependency-name: io.freefair.gradle:lombok-plugin
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

buildSrc/build.gradle.kts

@@ -11,5 +11,5 @@ dependencies {
     implementation("net.ltgt.gradle:gradle-errorprone-plugin:3.1.0")
     implementation("info.solidsoft.gradle.pitest:gradle-pitest-plugin:1.15.0")
     implementation("org.gradle:test-retry-gradle-plugin:1.6.0")
-    implementation("io.freefair.gradle:lombok-plugin:8.12.2.1")
+    implementation("io.freefair.gradle:lombok-plugin:8.13")
 }